-1+4m-7m=-28

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Solution for -1+4m-7m=-28 equation: 


m in (-oo:+oo)

4*m-(7*m)-1 = -28 // + 28

4*m-(7*m)-1+28 = 0

4*m-7*m-1+28 = 0

27-3*m = 0 // - 27

-3*m = -27 // : -3

m = -27/(-3)

m = 9

m = 9

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